(Reuters) - The Chicago Cubs were given a welcome slugging boost on Tuesday when Kyle Schwarber was added to their World Series roster hours before the scheduled start of Game One versus the host Cleveland Indians. Schwarber, who has spent the year recovering from a knee injury he suffered in the third game of the season, could be used as a designated hitter by the Cubs, who have gone 108 years without a World Series title. To make room for Schwarber, Chicago removed relief pitcher Rob Zastryzny from their playoff roster.
